(1999). To percent of Bicol corals destroyed. Philippine Daily Inquirer.
Chicago Style aipamena"To Percent of Bicol Corals Destroyed." Philippine Daily Inquirer 1999.
MLA aipamena"To Percent of Bicol Corals Destroyed." Philippine Daily Inquirer, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.